No | Part number | Description ( Function ) | Manufacturers | |
4 | PBL38813 | Voice-switched Speakerphone Circuit with built in loudspeaker amplifier January 1998 PBL 388 13 Voice-switched Speakerphone Circuit with built in loudspeaker amplifier Description. The PBL 388 13 contains all the necessary circuitry, amplifiers, detectors, comparator and control functions to implement a high performance, voice-switched, loudspeaking, ”hands-free ” telephone. The gain dynamics (attenuation between channels) is selectable (25dB |
Ericsson |
|
3 | PBL388131N | Voice-switched Speakerphone Circuit with built in loudspeaker amplifier January 1998 PBL 388 13 Voice-switched Speakerphone Circuit with built in loudspeaker amplifier Description. The PBL 388 13 contains all the necessary circuitry, amplifiers, detectors, comparator and control functions to implement a high performance, voice-switched, loudspeaking, ”hands-free ” telephone. The gain dynamics (attenuation between channels) is selectable (25dB |
Ericsson |
|
2 | PBL388131SO | Voice-switched Speakerphone Circuit with built in loudspeaker amplifier January 1998 PBL 388 13 Voice-switched Speakerphone Circuit with built in loudspeaker amplifier Description. The PBL 388 13 contains all the necessary circuitry, amplifiers, detectors, comparator and control functions to implement a high performance, voice-switched, loudspeaking, ”hands-free ” telephone. The gain dynamics (attenuation between channels) is selectable (25dB |
Ericsson |
|
1 | PBL388131SOT | Voice-switched Speakerphone Circuit with built in loudspeaker amplifier January 1998 PBL 388 13 Voice-switched Speakerphone Circuit with built in loudspeaker amplifier Description. The PBL 388 13 contains all the necessary circuitry, amplifiers, detectors, comparator and control functions to implement a high performance, voice-switched, loudspeaking, ”hands-free ” telephone. The gain dynamics (attenuation between channels) is selectable (25dB |
Ericsson |
List of most widely used semiconductors
Part Number | Function | Manufacturers | |
1N4007 | The 1N4007 is a rectification diode that is designed for high-voltage applications, typically up to 1000V. It has a maximum current rating of 1A and a forward voltage drop of around 0.7V. |
Vishay |
|
LM317 | This is a popular adjustable voltage regulator. |
ON Semiconductor |
|
6N137 | LM393 | 2N3906 | 2N2222 | TIP120 | 1N5818 | LM324N | A1015 | SMAJ20CA |